Q. If $y = \cos^{- 1}{(\cos{10)}}$, then $y$ is equal to

A) 10
B) $4\pi - 10$
C) $2\pi + 10$
D) $2\pi - 10$
Explanation

The correct answer is Option B: $4\pi - 10$.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.